- o -

• octant() : geos::noding::Octant
• OffsetCurveSetBuilder() : geos::operation::buffer::OffsetCurveSetBuilder
• operator=() : geos::geom::Envelope
• operator[]() : geos::geom::GeometryList
• orientationIndex() : geos::geom::LineSegment , geos::algorithm::CGAlgorithms
• overlap() : geos::index::chain::MonotoneChainOverlapAction
• overlaps() : geos::geom::Geometry
• OverlayOp() : geos::operation::overlay::OverlayOp